HJC C91 Prod Helmet
- Advanced Polycarbonate Composite Shell
- Advanced Channeling Ventilation System
- Pinlock®-Ready HJ-17 Visor
- RapidFireTM Shield Replacement System
- Integrated Sunshield
- SuperCool® Interior
- Removable, Washable Crown and Cheek Pads
- Ready for SMART HJC Bluetooth (Bluetooth Sold Separately)
- Standards: DOT
- Construction: Advanced Polycarbonate Composite Shell
- Weight: 3.76 lbs / 1706 grams (approx, based on Size Medium Solid Color)
Below is a size chart provided by HJC for this product. If you need help with how to measure, or how to evaluate the fit of a helmet please have a look at this guide by HJC (the size chart included in this guide is for a “generic” HJC helmet and may differ slightly from the chart below that is specific to this product).
If you have questions about how this helmet might fit as compared to other helmets in your closet, please visit this FAQ for some advice.
|Helmet Size||Hat Size||Head Measurement (inches)||Head Measurement (cm)|
|XS||6 3/4 to 6 7/8||21 1/4 to 21 5/8||54 to 55|
|Small||6 7/8 to 7||21 5/8 to 22||55 to 56|
|Medium||7 1/8 to 7 1/4||22 1/2 to 22 7/8||57 to 58|
|Large||7 1/4 to 7 3/8||22 7/8 to 23 1/4||58 to 59|
|XL||7 1/2 to 7 5/8||23 5/8 to 24||60 to 61|
|XXL||7 3/4 to 7 7/8||24 3/8 to 24 3/4||62 to 63|
Other Useful HJC Information Links:
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